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【判断题】
中西文化的性格已经定型,将来也不会发生改变。()A.
正确
B.
错误
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举一反三
【多选题】Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)
A.
It uses inexpensive hubs
B.
It operates without collisions
C.
It operates on switches
D.
It provides faster data transfer
E.
It utilizes fewer wiring pairs
【简答题】验电的步骤和要求是什么?
【单选题】The bank clerk listened carefully he could discover exactly what the client wanted.
A.
in case that
B.
now that
C.
so that
D.
provided that
【单选题】当大风停下了,孩子们又出来玩了。
A.
The winds stopped, the children came out to play again.
B.
When the winds stopped, the children came out to play again.
C.
While the winds stopped, the children came out to play again.
【多选题】Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?（）
A.
Full-duplex Ethernet uses CSMA/CD to prevent collisions.
B.
Half-duplex Ethernet uses a loopback circuit to detect collisions.
C.
A full-duplex Ethernet card allows 20Mbps for data transmission.
D.
Full-duplex Ethernet makes use of two pairs of wires for data.
E.
An Ethernet hub can operate both half and full duplex simultaneously.
【多选题】When you compare the differences between half-duplex and full-duplex Ethernet, which of the following characteristics are exclusive to half-duplex? (Select two answer choices)
A.
Half-duplex Ethernet operates in a shared collision domain.
B.
Half-duplex Ethernet operates in an exclusive broadcast domain.
C.
Half-duplex Ethernet has efficient throughput.
D.
Half-duplex Ethernet has lower effective throughput.
E.
Half-duplex Ethernet operates in an exclusive collision domain.
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